Introduction: “Brain Drain” or “geniuses’ immigration” is one of the known immigrations; this phenomenon has caused human capitals transfer from developing to developed countries. This kind of immigration among medical graduates can cause different complications for health care services’ structure in each country. The Present study has investigated brain drain among geniuses and medical and health care professionals in Iran in 2013.

Methods: The Present research is a descriptive survey whit a Scientometric approach. The Study population consisted of Iranian researchers’ and academic board members’ scientific outputs in medical area at 88 top industrialized and developed countries that were chosen according to valid systems of university rankings around the world.

Results: Findings showed that only 489 (8%) of 6126 scientific articles produced by investigated immigrants before their immigration and a significant part of articles more than 5637 (92%) have been published abroad. Besides, findings indicated that most of scientific products have been compiled in the United States of America and Britain, representing 2090 and 1036 respectively. Furthermore, a small part of Iranian immigrants’ scientific outputs have been prepared in collaboration with researchers inside and nearly two thirds in collaboration with colleagues outside the country.

Conclusion: It was found that more male researchers, compared to female researchers, immigrate. Besides, more than half of these researchers immigrated to the United States of America and Canada; this can be attributed to these countries’ appropriate incentive and monetary policies, which will lead to the inefficiency of the attempts and actions taken by relevant organizations to keep and return these geniuses and professionals to the country in recent years.